/*
 * @Author: HZK
 * @Date: 2020-08-31 11:31:44
 * @LastEditTime: 2020-08-31 13:29:00
 * @LastEditors: hanfengmi
 * @Description: 
 */
function greeter(person:string) {
    return "Hello, " + person;
}

let user = "Jane User";

greeter(user)